| Budget Amount *help |
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
Chronic kidney disease (CKD) is a global health problem that carries a substantial risk for cardiovascular morbidity and death. With the progression of CKD, various uremic toxins accumulate, subsequently causing renal damage and hypertension. Recently, we have revealed that kidney-specific organic anion transporter SLCO4C1 excretes uremic toxins, and the up-regulation of SLCO4C1 resulted in the reduction of blood pressure and renal inflammation in a CKD model. In this study, we revealed that indoxyl sulfate (IS), one of the best-known uremic toxins, inhibits the expression of SLCO4C1 through GATA3 and that removal of IS increases the SLCO4C1 expression. The combination therapy of, (1) activating the SLCO4C1 expression by statins, (2) reducing the plasma IS concentration by the administration of AST-120 and (3) administering GATA inhibitor, could be a more effective remedy for the excretion of uremic toxins and preservation of renal function in CKD patients.
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